Class ByteArrays

src/main/java/org/assertj/core/internal/ByteArrays.java:30–301

Reusable assertions for arrays of bytes. @author Alex Ruiz @author Mikhail Mazursky @author Nicolas François

 * @author Nicolas François
 */
public class ByteArrays {

  private static final ByteArrays INSTANCE = new ByteArrays();

  /**
   * Returns the singleton instance of this class.
   * @return the singleton instance of this class.
   */
  public static ByteArrays instance() {
    return INSTANCE;
  }

  private Arrays arrays = Arrays.instance();

  @VisibleForTesting
  Failures failures = Failures.instance();

  @VisibleForTesting
  ByteArrays() {
    this(StandardComparisonStrategy.instance());
  }

  public ByteArrays(ComparisonStrategy comparisonStrategy) {
    this.arrays = new Arrays(comparisonStrategy);
  }

  @VisibleForTesting
  public Comparator<?> getComparator() {
    return arrays.getComparator();
  }

  /**
   * Asserts that the given array is {@code null} or empty.
   * @param info contains information about the assertion.
   * @param actual the given array.
   * @throws AssertionError if the given array is not {@code null} *and* contains one or more elements.
   */
  public void assertNullOrEmpty(AssertionInfo info, byte[] actual) {
    arrays.assertNullOrEmpty(info, failures, actual);
  }

  /**
   * Asserts that the given array is empty.
   * @param info contains information about the assertion.
   * @param actual the given array.
   * @throws AssertionError if the given array is {@code null}.
   * @throws AssertionError if the given array is not empty.
   */
  public void assertEmpty(AssertionInfo info, byte[] actual) {
    arrays.assertEmpty(info, failures, actual);
  }

  /**
   * Asserts that the given array is not empty.
   * @param info contains information about the assertion.
   * @param actual the given array.
   * @throws AssertionError if the given array is {@code null}.
   * @throws AssertionError if the given array is empty.